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The Thetford 365 Potti Dump Cap is an official replacement pour-out spout cap for Thetford Porta Potti portable toilets. It includes a built-in seal to prevent leaks and ensure a clean, hassle-free emptying process when dumping waste from the toilet’s cassette or waste tank.
Product Weight: Approx. 0.03 – 0.05 kg — lightweight plastic cap designed for ease of use and minimal added waste weight.
🚽 OEM Quality Replacement: Manufactured by Thetford to the original factory standard for a reliable fit.
🔄 Includes Seal: Supplied with a rubber seal to help prevent leaks during waste discharge.
🧼 Easy to Use: Large pour-out spout cap makes emptying waste quicker and cleaner.
🚐 Ideal for Mobile Toilets: Designed for use in caravans, motorhomes, campervans and boats.
Genuine Thetford dump cap spare for portable toilets
Part number: 25803-79 (79 denotes colour – Edelweiss/white)
Includes pour-out spout and seal
Lightweight plastic design (~30-50 g)
OEM build quality ensures long-lasting performance
This pour-out dump cap is specifically suitable for use with Thetford Porta Potti portable toilet models that share the same pour-out spout design, including:
Thetford Porta Potti 335
Thetford Porta Potti 345
Thetford Porta Potti 365
⚠️ Fit Tip: Always check your toilet’s model number before ordering to ensure the dump cap matches your specific cassette waste spout design.
1 × Thetford dump cap with integrated seal
(Toilet and waste cassette/tank not included.)
✔ Keeps your portable toilet hygienic during emptying
✔ Replaces lost, worn or damaged pour-out caps
✔ Ensures cleaner, more controlled waste discharge
✔ OEM reliability and durability
Regular replacement of the dump cap and seal helps maintain hygiene and prevents waste leakage — crucial for safe and pleasant travelling experiences.
Owners of Thetford Porta Potti portable toilets
Caravan, motorhome and campervan travellers
Boating or remote travel where portable toilets are used
DIY toilet maintenance and spare parts stocking
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